An insurance company finds that of 553 randomly selected auto accidents, teenagers were driving the vehicle 84 of them.
(a) Find the 95% confidence interval for the proportion of auto accidents with teenaged drivers:
( , ) (Use 4 decimals.)
What does the 95% confidence level mean?
We expect that 95% of random samples of size 553 will produce --- a true proportion a sample proportion confidence intervals that contain(s) the sample proportion confidence interval true proportion of accidents had teenaged drivers.